{"id":531404,"date":"2026-03-18T09:48:53","date_gmt":"2026-03-18T02:48:53","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=531404"},"modified":"2026-03-18T09:48:53","modified_gmt":"2026-03-18T02:48:53","slug":"bauxite-chia-khoa-vang-cho-nganh-cong-nghiep-nhom-hien-dai","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/bauxite-chia-khoa-vang-cho-nganh-cong-nghiep-nhom-hien-dai\/","title":{"rendered":"Bauxite: Ch\u00eca kh\u00f3a v\u00e0ng cho ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u00f4m hi\u1ec7n \u0111\u1ea1i"},"content":{"rendered":"

Nguy\u00ean li\u1ec7u ch\u00ednh d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t nh\u00f4m l\u00e0<\/b> qu\u1eb7ng Bauxite<\/b>. \u0110\u00e2y l\u00e0 lo\u1ea1i qu\u1eb7ng gi\u00e0u nh\u00f4m nh\u1ea5t trong t\u1ef1 nhi\u00ean, \u0111\u01b0\u1ee3c khai th\u00e1c v\u00e0 x\u1eed l\u00fd \u0111\u1ec3 s\u1ea3n xu\u1ea5t ra kim lo\u1ea1i nh\u00f4m tinh khi\u1ebft. Bauxite l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu trong ng\u00e0nh c\u00f4ng nghi\u1ec7p luy\u1ec7n nh\u00f4m hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n

Nh\u00f4m v\u00e0 vai tr\u00f2 c\u1ee7a Bauxite<\/b><\/h2>\n

Nh\u00f4m l\u00e0 m\u1ed9t trong nh\u1eefng kim lo\u1ea1i ph\u1ed5 bi\u1ebfn v\u00e0 quan tr\u1ecdng nh\u1ea5t trong th\u1ebf gi\u1edbi hi\u1ec7n \u0111\u1ea1i, \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao nh\u1edd \u0111\u1eb7c t\u00ednh nh\u1eb9, b\u1ec1n, d\u1eabn \u0111i\u1ec7n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t. T\u1eeb v\u1ecf m\u00e1y bay, c\u1eeda s\u1ed5, lon n\u01b0\u1edbc gi\u1ea3i kh\u00e1t cho \u0111\u1ebfn linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, nh\u00f4m \u0111\u00e3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu trong m\u1ecdi m\u1eb7t \u0111\u1eddi s\u1ed1ng v\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.<\/span><\/p>\n

\"nguyen-lieu-chinh-dung-de-san-xuat-nhom-la-1\"<\/picture><\/p>\n

Tuy nhi\u00ean, \u00edt ai bi\u1ebft r\u1eb1ng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c nh\u00f4m tinh khi\u1ebft, ng\u00e0nh c\u00f4ng nghi\u1ec7p ph\u1ea3i d\u1ef1a v\u00e0o m\u1ed9t nguy\u00ean li\u1ec7u \u0111\u1eb7c bi\u1ec7t: <\/span>qu\u1eb7ng Bauxite<\/b>. V\u1eady, <\/span>nguy\u00ean li\u1ec7u ch\u00ednh d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t nh\u00f4m l\u00e0 g\u00ec?<\/b> C\u00e2u tr\u1ea3 l\u1eddi ch\u00ednh x\u00e1c nh\u1ea5t ch\u00ednh l\u00e0 <\/span>qu\u1eb7ng bauxite<\/b>.<\/span><\/p>\n

Qu\u1eb7ng Bauxite: Kh\u00e1i ni\u1ec7m v\u00e0 th\u00e0nh ph\u1ea7n<\/b><\/h2>\n

Bauxite l\u00e0 g\u00ec?<\/b> Bauxite l\u00e0 lo\u1ea1i <\/span>qu\u1eb7ng nh\u00f4m<\/b> gi\u00e0u nh\u1ea5t trong t\u1ef1 nhi\u00ean, c\u00f3 m\u00e0u n\u00e2u \u0111\u1ecf ho\u1eb7c x\u00e1m nh\u1ea1t, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh ch\u1ee7 y\u1ebfu t\u1eeb qu\u00e1 tr\u00ecnh phong h\u00f3a \u0111\u00e1 m\u1eb9 gi\u00e0u nh\u00f4m \u1edf v\u00f9ng kh\u00ed h\u1eadu nhi\u1ec7t \u0111\u1edbi ho\u1eb7c c\u1eadn nhi\u1ec7t \u0111\u1edbi. T\u00ean g\u1ecdi “bauxite” xu\u1ea5t ph\u00e1t t\u1eeb \u0111\u1ecba danh Les Baux, mi\u1ec1n Nam n\u01b0\u1edbc Ph\u00e1p \u2013 n\u01a1i lo\u1ea1i qu\u1eb7ng n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1821.<\/span><\/p>\n

V\u1ec1 g\u00f3c \u0111\u1ed9 \u0111\u1ecba ch\u1ea5t, <\/span>bauxite l\u00e0 g\u00ec<\/b>? \u0110\u00f3 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c kho\u00e1ng v\u1eadt nh\u00f4m hydrat h\u00f3a nh\u01b0 gibbsit (Al(OH)<\/span>3<\/span>), boehmit (\u03b3-AlO(OH)), v\u00e0 diaspore (\u03b1-AlO(OH)), c\u00f9ng v\u1edbi c\u00e1c t\u1ea1p ch\u1ea5t nh\u01b0 oxit s\u1eaft (Fe<\/span>2<\/span>O<\/span>3<\/span>), oxit silic (SiO<\/span>2<\/span>), oxit titan (TiO<\/span>2<\/span>), v\u00e0 m\u1ed9t s\u1ed1 kho\u00e1ng v\u1eadt ph\u1ee5 kh\u00e1c.<\/span><\/p>\n

\"nguyen-lieu-chinh-dung-de-san-xuat-nhom-la-2\"<\/picture><\/p>\n

Nguy\u00ean li\u1ec7u ch\u00ednh d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t nh\u00f4m l\u00e0 bauxite <\/b>v\u00e0 t\u1ef7 l\u1ec7 th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y v\u00f9ng m\u1ecf, nh\u01b0ng <\/span>Al<\/b>2<\/b>O<\/b>3<\/b> lu\u00f4n chi\u1ebfm t\u1ef7 l\u1ec7 l\u1edbn nh\u1ea5t, quy\u1ebft \u0111\u1ecbnh gi\u00e1 tr\u1ecb v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng qu\u1eb7ng. B\u00ean c\u1ea1nh \u0111\u00f3, h\u00e0m l\u01b0\u1ee3ng c\u00e1c t\u1ea1p ch\u1ea5t s\u1eaft, silic, titan c\u00e0ng th\u1ea5p th\u00ec ch\u1ea5t l\u01b0\u1ee3ng bauxite c\u00e0ng cao v\u00e0 c\u00e0ng ph\u00f9 h\u1ee3p v\u1edbi s\u1ea3n xu\u1ea5t nh\u00f4m c\u00f4ng nghi\u1ec7p.<\/span><\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa qu\u1eb7ng bauxite v\u00e0 nh\u00f4m:<\/b> Bauxite l\u00e0 qu\u1eb7ng th\u00f4, ch\u1ee9a nhi\u1ec1u kho\u00e1ng v\u1eadt v\u00e0 t\u1ea1p ch\u1ea5t, c\u00f2n nh\u00f4m l\u00e0 kim lo\u1ea1i tinh khi\u1ebft \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb qu\u1eb7ng n\u00e0y qua qu\u00e1 tr\u00ecnh h\u00f3a \u2013 l\u00fd ph\u1ee9c t\u1ea1p.<\/span><\/p>\n\n\n\n\n\n\n
Kho\u00e1ng v\u1eadt<\/b><\/td>\nC\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc<\/b><\/td>\nT\u00ednh ch\u1ea5t<\/b><\/td>\n<\/tr>\n
Gibbsit<\/span><\/td>\nAl(OH)<\/span>3<\/span><\/td>\nM\u1ec1m, m\u00e0u tr\u1eafng t\u1edbi x\u00e1m, d\u1ec5 h\u00f2a tan trong ki\u1ec1m<\/span><\/td>\n<\/tr>\n
Boehmit<\/span><\/td>\n\u03b3-AlO(OH)<\/span><\/td>\n\u0110\u1ed9 c\u1ee9ng cao h\u01a1n, m\u00e0u tr\u1eafng x\u00e1m\/ng\u00e0, kh\u00f3 h\u00f2a tan h\u01a1n gibbsit<\/span><\/td>\n<\/tr>\n
Diaspore<\/span><\/td>\n\u03b1-AlO(OH)<\/span><\/td>\n\u0110\u1ed9 c\u1ee9ng cao nh\u1ea5t, m\u00e0u tr\u1eafng b\u1ea1c ho\u1eb7c x\u00e1m, kh\u00f3 x\u1eed l\u00fd h\u00f3a h\u1ecdc<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1c lo\u1ea1i kho\u00e1ng v\u1eadt ch\u00ednh trong Bauxite<\/b><\/h2>\n